:root {
      --bg-ice: #eef5ff;
      --bg-frost: #d9e7f7;
      --bg-floor: #ccddef;
      --bg-deep: #0f1f44;
      --ink-main: #0f1f44;
      --ink-soft: #4a5f8a;
      --accent-cyan: #7fd6ff;
      --accent-blue: #3a8eff;
      --panel: rgba(255, 255, 255, 0.78);
      --panel-border: rgba(90, 148, 255, 0.22);
    }

    * {
      box-sizing: border-box;
    }

    html {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--ink-main);
      background:
        radial-gradient(1200px 620px at 80% -80px, #d6ecff 0%, rgba(214, 236, 255, 0) 70%),
        radial-gradient(780px 480px at 0% 15%, #d9f1ff 0%, rgba(217, 241, 255, 0) 72%),
        linear-gradient(180deg, #f3f9ff 0%, var(--bg-ice) 38%, var(--bg-frost) 68%, var(--bg-floor) 100%);
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
    }

    .snow-layer {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 6;
    }

    .snowflake {
      --drift: 0px;
      --spin-start: 0deg;
      --spin-end: 360deg;
      position: absolute;
      top: -12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transform-origin: center;
      filter: drop-shadow(0 0 9px rgba(255, 255, 255, 0.95));
      animation: snow-fall linear infinite, snow-twinkle 2.6s ease-in-out infinite;
    }

    .crystal-svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .crystal-svg g {
      mix-blend-mode: screen;
    }

    .aurora {
      position: fixed;
      inset: -20% -10% auto;
      height: 42vh;
      pointer-events: none;
      z-index: 1;
      background: linear-gradient(115deg, rgba(103, 221, 255, 0.28), rgba(110, 141, 255, 0.22), rgba(171, 230, 255, 0.1));
      filter: blur(38px);
      animation: aurora-float 9s ease-in-out infinite;
    }

    .quant-board {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 3;
      opacity: 0.9;
    }

    .quant-grid {
      position: absolute;
      left: 50%;
      top: 58%;
      transform: translate(-50%, -50%);
      width: min(95vw, 1080px);
      height: min(56vh, 450px);
      border-radius: 18px;
      background-image:
        linear-gradient(to right, rgba(90, 140, 205, 0.16) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(90, 140, 205, 0.16) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.24), rgba(0, 0, 0, 0.8) 32%, rgba(0, 0, 0, 0.12));
      border: 1px solid rgba(72, 125, 190, 0.22);
      box-shadow: inset 0 0 60px rgba(132, 196, 255, 0.11);
      animation: grid-breathe 4.6s ease-in-out infinite;
    }

    .quant-lines {
      position: absolute;
      left: 50%;
      top: 58%;
      transform: translate(-50%, -50%);
      width: min(95vw, 1080px);
      height: min(56vh, 450px);
      overflow: visible;
    }

    .quant-line {
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-dasharray: 1700;
      stroke-dashoffset: 1700;
      animation: line-scan 8s linear infinite;
    }

    .quant-line-main {
      stroke: rgba(88, 198, 255, 0.95);
      stroke-width: 4;
      filter: drop-shadow(0 0 8px rgba(88, 198, 255, 0.5));
    }

    .quant-line-sub {
      stroke: rgba(148, 225, 255, 0.6);
      stroke-width: 2;
      animation-delay: 1s;
    }

    .quant-points {
      position: absolute;
      left: 50%;
      top: 58%;
      transform: translate(-50%, -50%);
      width: min(95vw, 1080px);
      height: min(56vh, 450px);
    }

    .quant-points span {
      position: absolute;
      width: 9px;
      height: 9px;
      margin-left: -4px;
      margin-top: -4px;
      border-radius: 50%;
      background: #c7f0ff;
      box-shadow: 0 0 0 0 rgba(121, 212, 255, 0.58), 0 0 10px rgba(138, 220, 255, 0.75);
      animation: point-jump 2.4s ease-in-out infinite;
    }

    .quant-points span:nth-child(2) {
      animation-delay: 0.3s;
    }

    .quant-points span:nth-child(3) {
      animation-delay: 0.6s;
    }

    .quant-points span:nth-child(4) {
      animation-delay: 0.9s;
    }

    .quant-points span:nth-child(5) {
      animation-delay: 1.2s;
    }

    .quant-points span:nth-child(6) {
      animation-delay: 1.5s;
    }

    .quant-points span:nth-child(7) {
      animation-delay: 1.8s;
    }

    .quant-points span:nth-child(8) {
      animation-delay: 2.1s;
    }

    .header {
      position: relative;
      z-index: 4;
      text-align: center;
      color: #fff;
      background: linear-gradient(130deg, #0a1f4f 0%, #124886 42%, #2b73a8 70%, #4fa8cc 100%);
      background-size: 160% 160%;
      animation: header-flow 14s ease infinite;
      overflow: hidden;
    }

    .header::before {
      content: "";
      position: absolute;
      inset: -60% auto auto -20%;
      width: 70%;
      height: 220%;
      transform: rotate(14deg);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 72%);
    }

    .inner-header {
      height: 20vh;
      min-height: 120px;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    .flex {
      display: flex;
      justify-content: center;
      align-items: flex-end;
      text-align: center;
    }

    .logo {
      width: 7rem;
      height: 7rem;
      margin: 0 0 -12px;
      border-radius: 1.4rem;
      background-image: url("../images/logo.png");
      background-size: 100% 100%;
      box-shadow: 0 18px 35px rgba(7, 24, 71, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }

    .inner-tex {
      width: 100%;
      padding: 0 16px;
    }

    .hero-copy {
      margin-top: 12px;
      margin-bottom: 12px;
      text-align: center;
      animation: rise-in 0.7s ease-out both;
    }

    .hero-tag {
      margin: 0;
      letter-spacing: 2.4px;
      font-size: 12px;
      color: rgba(220, 241, 255, 0.85);
    }

    h1 {
      margin: 6px 0 0;
      font-size: 44px;
      line-height: 1.15;
      letter-spacing: 3px;
      font-weight: 700;
      text-shadow: 0 10px 30px rgba(5, 16, 46, 0.45);
    }

    .hero-subtitle {
      margin: 10px 0 0;
      font-size: 14px;
      letter-spacing: 1px;
      color: rgba(237, 247, 255, 0.95);
    }

    .waves {
      position: relative;
      width: 100%;
      height: 14vh;
      min-height: 90px;
      max-height: 140px;
      margin-bottom: -7px;
    }

    .parallax > use {
      animation: wave-move 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
    }

    .parallax > use:nth-child(1) {
      animation-delay: -2s;
      animation-duration: 7s;
    }

    .parallax > use:nth-child(2) {
      animation-delay: -3s;
      animation-duration: 10s;
    }

    .parallax > use:nth-child(3) {
      animation-delay: -4s;
      animation-duration: 13s;
    }

    .parallax > use:nth-child(4) {
      animation-delay: -5s;
      animation-duration: 20s;
    }

    .center {
      position: relative;
      z-index: 5;
      text-align: center;
    }

    .centerButton {
      margin-top: 18px;
    }

    .market-pulse {
      position: relative;
      z-index: 5;
      margin: 10px auto 8px;
      width: min(82vw, 420px);
      display: flex;
      justify-content: center;
      align-items: flex-end;
      gap: 8px;
      opacity: 0.8;
    }

    .market-pulse span {
      width: 4px;
      height: 10px;
      border-radius: 10px;
      background: linear-gradient(180deg, #e8f8ff 0%, #87ceff 100%);
      box-shadow: 0 0 12px rgba(166, 228, 255, 0.6);
      animation: pulse-bars 1.8s ease-in-out infinite;
    }

    .market-pulse span:nth-child(2) {
      animation-delay: 0.2s;
    }

    .market-pulse span:nth-child(3) {
      animation-delay: 0.4s;
    }

    .market-pulse span:nth-child(4) {
      animation-delay: 0.6s;
    }

    .market-pulse span:nth-child(5) {
      animation-delay: 0.8s;
    }

    .btn {
      width: min(220px, 76vw);
      margin: 1rem auto 0;
      border-radius: 14px;
      display: block;
      filter: drop-shadow(0 10px 16px rgba(38, 92, 158, 0.24));
      transition: transform 0.25s ease, filter 0.25s ease;
    }

    .btn:hover {
      transform: translateY(-3px) scale(1.01);
      filter: drop-shadow(0 14px 22px rgba(27, 75, 147, 0.34));
    }

    .iosexplain {
      text-align: center;
      margin: 0.7rem auto 0;
      color: #0d5eb8;
      font-weight: 600;
    }

    b {
      display: inline-block;
      vertical-align: middle;
      width: 20px;
      height: 20px;
      line-height: 20px;
      margin: -2px 5px 0 0;
      text-align: center;
      background: #0d5eb8;
      color: #fff;
      border-radius: 100%;
    }

    .centerjieshao {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-bottom: 80px;
    }

    .update-info___1KZ0J {
      margin: 36px 16px 0;
      width: min(92vw, 350px);
      padding: 18px;
      border-radius: 16px;
      background: var(--panel);
      border: 1px solid var(--panel-border);
      backdrop-filter: blur(7px);
      box-shadow: 0 14px 30px rgba(33, 82, 152, 0.14);
    }

    .title___vZvj6 {
      font-size: 17px;
      font-weight: 700;
      color: var(--ink-main);
    }

    .content___3LVDL {
      margin-top: 12px;
      font-size: 14px;
      color: var(--ink-soft);
      line-height: 1.8;
    }

    .fixed_web {
      color: #6e86ad;
      width: 100%;
      font-size: 14px;
      text-align: center;
      margin-bottom: 20px;
    }

    .overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(6, 12, 28, 0.74);
      z-index: 999;
    }

    .overlay img {
      position: absolute;
      top: 8%;
      left: 50%;
      transform: translate(-50%, -50%);
      max-width: 100%;
      max-height: 90%;
      border-radius: 12px;
    }

    .modal {
      display: none;
      position: fixed;
      z-index: 1000;
      left: 0;
      bottom: 0;
      width: 100%;
      height: 70%;
      overflow: auto;
      background-color: #fff;
      border-radius: 1.5rem 1.5rem 0 0;
      box-shadow: 0 0 19px 1px rgba(0, 0, 0, 0.45);
    }

    .modal-content {
      background-color: #fff;
      margin: auto;
      padding: 20px;
      border-radius: 10px 10px 0 0;
      width: 100%;
      height: 100%;
      box-sizing: border-box;
    }

    .modal-content p {
      margin: 30px 0 2px;
      font-size: 15px;
      text-align: center;
      font-weight: 600;
      color: #1b5fab;
    }

    .modal-content img {
      max-width: 300px;
      display: block;
      margin: 0 auto;
      border-radius: 1rem;
    }

    .gb {
      position: fixed;
      right: 0;
      margin-right: 10px;
    }

    .close {
      color: #9eb1ca;
      float: right;
      font-size: 28px;
      font-weight: bold;
      cursor: pointer;
      margin: -39% -2% 0 0;
    }

    .close:hover,
    .close:focus {
      color: #263f6b;
      text-decoration: none;
    }

    .hr {
      border-bottom: 1px solid rgba(170, 170, 170, 0.21);
      margin: 30px 0;
    }

    @keyframes header-flow {
      0% {
        background-position: 0% 45%;
      }

      50% {
        background-position: 100% 55%;
      }

      100% {
        background-position: 0% 45%;
      }
    }

    @keyframes wave-move {
      0% {
        transform: translate3d(-90px, 0, 0);
      }

      100% {
        transform: translate3d(85px, 0, 0);
      }
    }

    @keyframes snow-fall {
      0% {
        transform: translate3d(0, -2vh, 0) rotate(var(--spin-start)) scale(0.88);
      }

      100% {
        transform: translate3d(var(--drift), 106vh, 0) rotate(var(--spin-end)) scale(1.08);
      }
    }

    @keyframes snow-twinkle {
      0%,
      100% {
        opacity: 0.85;
      }

      50% {
        opacity: 1;
      }
    }

    @keyframes line-scan {
      0% {
        stroke-dashoffset: 1700;
      }

      45% {
        stroke-dashoffset: 0;
      }

      80% {
        stroke-dashoffset: -80;
      }

      100% {
        stroke-dashoffset: -220;
      }
    }

    @keyframes point-jump {
      0%,
      100% {
        transform: translateY(0) scale(0.95);
        box-shadow: 0 0 0 0 rgba(121, 212, 255, 0.5), 0 0 10px rgba(138, 220, 255, 0.75);
      }

      50% {
        transform: translateY(-8px) scale(1.15);
        box-shadow: 0 0 0 8px rgba(121, 212, 255, 0), 0 0 16px rgba(199, 240, 255, 0.95);
      }
    }

    @keyframes grid-breathe {
      0%,
      100% {
        opacity: 0.64;
      }

      50% {
        opacity: 0.9;
      }
    }

    @keyframes pulse-bars {
      0%,
      100% {
        height: 9px;
      }

      50% {
        height: 26px;
      }
    }

    @keyframes aurora-float {
      0%,
      100% {
        transform: translateX(0);
      }

      50% {
        transform: translateX(6%);
      }
    }

    @keyframes rise-in {
      from {
        opacity: 0;
        transform: translateY(12px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @media (max-width: 768px) {
      .logo {
        width: 6rem;
        height: 6rem;
      }

      h1 {
        font-size: 34px;
        margin-top: 8px;
      }

      .hero-subtitle {
        font-size: 13px;
      }

      .waves {
        height: 88px;
        min-height: 70px;
      }

      .update-info___1KZ0J {
        margin-top: 28px;
      }

      .modal {
        height: 78%;
      }

      .quant-grid,
      .quant-lines,
      .quant-points {
        top: 63%;
        height: min(46vh, 320px);
      }

      .quant-points span {
        width: 8px;
        height: 8px;
      }
    }